National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

22°C

71°F

Humidity 96%
Wind Speed Calm
Barometer 1010.3 mb (29.85 in)
Dewpoint 21°C (70°F)
Visibility 16 km
Last update 12 Jun 12:52 am EDT
Extended Forecast for

3 Miles SE Washington-Dulles International Airport VA

Heat Advisory June 12, 11:00am until June 12, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °C

    Mostly Cloudy

  • Friday

    Friday: Showers and thunderstorms, mainly after 4pm. Some of the storms could be severe. High near 34. Heat index values as high as 38. West wind 5 to 13 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 34 °C

    Sunny then
    Severe
    Thunderstorms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly before 7pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 18. West wind 11 to 13 km/h becoming northwest after midnight. Chance of precipitation is 30%.

    Low: 18 °C

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 31. Northwest wind 8 to 10 km/h.

    High: 31 °C

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °C

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 33. Chance of precipitation is 50%.

    High: 33 °C

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 17. Chance of precipitation is 50%.

    Low: 17 °C

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 28.

    High: 28 °C

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 16. Chance of precipitation is 20%.

    Low: 16 °C

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. Calm wind.
Friday
Showers and thunderstorms, mainly after 4pm. Some of the storms could be severe. High near 34. Heat index values as high as 38. West wind 5 to 13 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Friday Night
A chance of showers and thunderstorms, mainly before 7pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 18. West wind 11 to 13 km/h becoming northwest after midnight. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 31. Northwest wind 8 to 10 km/h.
Saturday Night
Mostly clear, with a low around 19. Calm wind.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 33. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 17. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 28.
Monday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 16. Chance of precipitation is 20%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 26. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 16. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 29. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 18. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Washington-Dulles International Airport VA
 38.93°N 77.42°W (Elev. 308 m)
Last Update:
10:53 pm EDT Jun 11, 2026
Forecast Valid:
1am EDT Jun 12, 2026-6pm EDT Jun 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation